305252212 has 12 divisors (see below), whose sum is σ = 536588416. Its totient is φ = 151941240.

The previous prime is 305252209. The next prime is 305252273. The reversal of 305252212 is 212252503.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170214 + ... + 171997.

Almost surely, 2^305252212 is an apocalyptic number.

It is an amenable number.

305252212 is a deficient number, since it is larger than the sum of its proper divisors (231336204).

305252212 is a wasteful number, since it uses less digits than its factorization.

305252212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342438 (or 342436 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 305252212 is about 17471.4685129785. The cubic root of 305252212 is about 673.3170416169.

The spelling of 305252212 in words is "three hundred five million, two hundred fifty-two thousand, two hundred twelve".